/Engine/Plugins/Online/OnlineSubsystem/Source/Public/OnlineAsyncTaskManager.h
Unlike AddGenericToInQueue, this version runs the task on the online thread inTick(), instead of Finalize on the game thread.
template<class CallableType> void AddGenericToInQueueOnlineThread ( const [FString](API\Runtime\Core\Containers\FString) & CallableName, const CallableType & InCallable )